"Ward's+Phenomena"

Deformed pebbles in a metamorphased conglomerate. Large sawed and lacquered specimen.

Erdschreiber's Medium for culture of marine algae

Easily compare the different types of structures in a variety of small freshwater crustaceans with this convenient freshwater culture mix.

Red, earthy, in natural chunk form; common pigment ore.

Note: The chemical specifications for some items on this product page may differ from the specifications listed above. For more information, consult the Safety Data Sheet or contact your Ward's representative.

Hippodamia convergens.

When minerals, rocks, and fossils cannot be accurately identified by macroscopic observation and testing, thin section slides can reveal the composition and structure of the specimens on a microscopic level.

Formalin preserved bullfrogs Available in vacuum packs or pails.

Formalin preserved bullfrogs Available in vacuum packs or pails.

CAS Number: 108-24-7
Formula Weight: 102.09
Formula: C₄H₆O₃
Hazard Info: Irritant, Corrosive, Flammable
Density (g/mL): 1.08
Boiling Point (°C): 139.9
Freezing Point (°C): -73
Solubility: Reacts with Water and Alcohol
Synonyms: Acetic Oxide, Acetyl Oxide, Ethanoic Anhydride, Acetic Acid Anhydride
Shelf Life (months): 36
Storage: White

Formalin preserved sheep brains with dura mater intact.

Medium for cultivating phytopathological fungi, and stimulating production of chlamydospores.

Formalin preserved grassfrogs. Available in vacuum packs or pails.

Hemolysis, the rupture of red blood cells, is induced by certain species of streptococcal bacteria that produce extracellular hemolysin.  Observe this phenomenon with this set of 3 non-pathogenic species

White and black bands of quartz, feldspar, and biotite; typical foliation.

Formalin preserved bullfrogs Available in vacuum packs or pails.